Cheonan Jeil HS: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-01-01 | Dam Uh | Cheonan Jeil HS | Incheon Uni. | — |
| 2023-01-01 | Dam Uh | Nat. Science HS | Cheonan Jeil HS | — |
| 2022-01-01 | Jae-sang Jeong | Cheonan Jeil HS | Jinwee U18 | — |
| 2021-01-01 | Woo-jin Choi | Cheonan Jeil HS | Jinwee U18 | — |
| 2021-01-01 | Jun-ho Bae | Cheonan Jeil HS | Jinwee U18 | — |
| 2020-01-01 | Woo-jin Choi | Cheonan FMC U15 | Cheonan Jeil HS | — |
| 2020-01-01 | Moon-hyeon Kim | Cheonan Jeil HS | FC Anyang U18 | — |
| 2020-01-01 | Jae-sang Jeong | G. Buksung MS | Cheonan Jeil HS | — |
| 2019-01-04 | Deok-geun Lim | Cheonan Jeil HS | Jeju United | Free |
| 2019-01-01 | Jun-ho Bae | Daeryun MS | Cheonan Jeil HS | — |
| 2018-01-01 | Moon-hyeon Kim | Bluewings Acad. | Cheonan Jeil HS | — |
| 2015-01-01 | Deok-geun Lim | Gwangmyeong MS | Cheonan Jeil HS | — |